1 Department of Medicine, University of Missouri, Columbia, MO 65212, United States.
2 Department of Ophthalmology, University of Missouri, Columbia, MO 65212, United States.
3 Department of Medicine - Division of Infectious Diseases, University of Missouri, Columbia, MO 65212, United States.
4 Department of Medicine - Divisions of Pulmonary, Critical Care Medicine and Infectious Diseases, University of Missouri, Columbia, MO 65212, United States.